Logica is a query language created in 2020 by Evgeny Skvortsov.
#401on PLDB  4Years Old 
git clone https://github.com/evgskv/logica
Logica is an open source declarative logic programming language for data manipulation. Logica is a successor to Yedalog, a language created at Google earlier.
# Define natural numbers from 1 to 29.
N(x) : x in Range(30);
# Define primes.
Prime(prime: x) :
N(x),
x > 1,
~(
N(y),
y > 1,
y != x,
Mod(x, y) == 0
);
Feature  Supported  Example  Token 

Comments  âœ“  # A comment 

Line Comments  âœ“  # A comment 
# 
Semantic Indentation  X 